1Go — a traditional board game in which two players alternately place black and white stones on a grid to compete for territory. Formally called 囲碁 (igo).
おじいさんは近所の友人とよく碁を打つ。
My grandfather often plays Go with a friend in the neighborhood.
彼女は子供の頃から碁を習っていて、大会にも出場する。
She has been learning Go since childhood and even competes in tournaments.
碁の対局は数時間に及ぶこともある。
A game of Go can sometimes last several hours.